The arc of a circle 50 cm long, subtends angle of 75° at the center of the circle. Find correct to 3 significant figures, the radius of the circle. Take \(\pi = \frac{22}{7}\)

stevenson531

10 years ago

Here is an explanation:

(ѳ/360)*2πr = arc length

Hence, the radius = arc length/2π*(ѳ/360)

=50/(2*(22/7)*(75/360)

=38.1818...cm

=38.2cm to 3 s.f.

ishae

1 year ago

how did we come about the
460/11

May0rwah

1 year ago

well I guess the real explanation given is self explanatory.

quamameen123

5 months ago

okay